AS3561-DWLM

Product Overview

• Category: Integrated Circuit
• Use: Power Management IC
• Characteristics: High efficiency, compact size, low power consumption
• Package: Dual-row QFN package
• Essence: AS3561-DWLM is a power management integrated circuit designed for various electronic devices. It provides efficient power management solutions in a compact form factor with low power consumption.
• Packaging/Quantity: Available in reels of 1000 units

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.3V
• Maximum Output Current: 1A
• Operating Temperature Range: -40°C to +85°C
• Efficiency: Up to 95%
• Quiescent Current: 10µA (typical)

Pin Configuration

The AS3561-DWLM has the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. EN: Enable pin
4. VOUT: Output voltage
5. FB: Feedback pin
6. PG: Power good indicator
7. SW: Switching node
8. BST: Boost voltage input

Functional Features

• Integrated step-down converter
• Low dropout voltage regulator
• Overcurrent protection
• Thermal shutdown protection
• Power good indicator
• Soft-start function
• Adjustable output voltage

Advantages and Disadvantages

Advantages

• High efficiency power conversion
• Compact size suitable for space-constrained applications
• Low power consumption for improved battery life
• Wide input voltage range for versatility
• Overcurrent and thermal protection for enhanced safety

Disadvantages

• Limited maximum output current (1A)
• Requires external components for operation
• Not suitable for high-power applications

Working Principles

The AS3561-DWLM integrates a step-down converter and a low dropout voltage regulator. The step-down converter efficiently converts the input voltage to a lower output voltage, while the low dropout voltage regulator ensures stable output voltage even with varying input voltage levels. The device also incorporates various protection mechanisms such as overcurrent and thermal shutdown to safeguard the connected electronic devices.

Detailed Application Field Plans

The AS3561-DWLM is widely used in portable electronic devices such as smartphones, tablets, portable media players, and wearable devices. It provides efficient power management solutions, allowing these devices to operate optimally while maximizing battery life. Its compact size makes it suitable for space-constrained applications.

Alternative Models

• AS3562-DWLM: Similar specifications but with higher maximum output current (2A)
• AS3563-DWLM: Similar specifications but with adjustable output voltage range
• AS3564-DWLM: Similar specifications but with additional features like voltage sequencing

These alternative models offer flexibility and cater to specific requirements of different applications.

In conclusion, the AS3561-DWLM is a power management integrated circuit that provides efficient power conversion and management solutions for various electronic devices. Its compact size, high efficiency, and low power consumption make it an ideal choice for portable and space-constrained applications. However, its limited maximum output current and external component requirement should be considered when selecting this IC for high-power applications.